COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Twin Commander (Gulfstream/Rockwell/ Aerocommander 500, 600 and 700) Series Aeroplanes AD/AC/24 Fuel Pressure Gauge Vent Drain - Installation 5/62 Applicability: All models with S/Nos. 1 to 1170 except 1133, 1153, 1156, 1162. Model 720 and pressurised versions of 680F. Document: 1. Aero Commander SB No. 78; or 2. FAA AD 62-8-1. Compliance: Forthwith.